{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdd85a2d6d1ef1aa5e88958da831e77c295bd8359b3d81c18885f13ddf58e96a5",
    "signature": "0x29cdee59965e3a61b006955ac15e270b7fc077c16492170be1529ba4fff4f3247aeec2ea2b340308dfd97ceb9d0a9fb217048f459462f4ca5a2b8b3159d4b1a21b",
    "signer": "0xcAe2eF54DE79dba2f45BFa8758eDF54fa4444AF7",
    "userId": "895976329"
  }
}