{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37409",
    "entityType": "User",
    "nonce": "0x2497359e9a869e7df6231927b74fe4b7c220ec081a94d43489cff07cf01c5cb9",
    "signature": "0x4b0960f3991376a1c3b8e284de21da020f1571471e98e920c578777139878e752d00e4d8da4c407525c2154416928359424933d7815da2a5d61ac2eafae899a91c",
    "signer": "0x49725020a21cF6A928575eE04a5506771Fc95916",
    "userId": "908506084"
  }
}