{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "753401661",
    "entityType": "User",
    "nonce": "0xd346f6fcacba3c4355668cb60c2d2a7d573fafce626951d9e75912d3930b8fa5",
    "signature": "0x4137b0e7250bf2468d34055270f040a05dea277a880eb166bf3cca02db9838a42cbb450bb2153ff83222c99ccb187c4b5d2b26c2ec4b1dfd86c30837dcff286d1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}