{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb6934157fc40f1a7c842e96af348892f0b4cc2aeb81b11dcf90a174c08b33564",
    "signature": "0x8b3a0ea34df99547ba63f02e9aafd817798e53e4a0015a07a7e2749fa28859e97bb72edc0256c530d7e275284e6cc28b643ee95e64322c9b1c2ac6a9b9d6bda61b",
    "signer": "0xb9924015d4c9BDf3da9e25316CeaDfadf95c5A53",
    "userId": "925162353"
  }
}