{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x19c8bf61d9c88813fe3a5156df6d3f52aa3afbb31b426c8162f90f3373630465",
    "signature": "0x7b6b808ac8ae1bf76428b93449c2dd3ce559307a0dc334029e1969729ecf1d7758e47b80f6847d0b40f178370ed6252b991bad100a931986affacbd20637b7051c",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}