{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb5ea29f5a4b3a0344ebae764979dc23530578504f315b83feaee386956ef16ca",
    "signature": "0xb68a5f9213da8bc588ecdf3af501fcc4a70ddfbc35ae701525cc1634cf3a09be2fb5bde3c6e8eaa8e96650498fa78fcf20088239ec8bda67e0f6ee42eb737e681c",
    "signer": "0x68deA683FFA1c6FB35F77bD50e1e15773fcb42f4",
    "userId": "936771662"
  }
}