{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566075266",
    "entityType": "User",
    "nonce": "0xfe746dc88e544c758eed85d79b3a01605d980f0694fb012a3fb0db977880ad0b",
    "signature": "0xfe670c646510642f806983cde472cae9be652cf3c6f1c4f61e9dc085be5654977fce780d7f9668221b69aabb553a7aef7bad58998e8f7324889fd7dfbe09dad01c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}