{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xf72bcc02b5eb7623fb1ceedef2ece2b514ef156821a5776673ee41d950913c9b",
    "signature": "0x30a0614429cf8c8a069fbd53edb3e4fbb4ccc03596eb586c44f0fa82d1e1610a0dcf5158f4443eb7758a2ab299feecc64df8a0bd2f03a9337b1be38a597a2c8c1c",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}