{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xeb14992af30eca51d70f4e156ef5a6c64462cb0ba1ed5d40eefcea4dacdb1bcb",
    "signature": "0x5f973cb1905471fb2e505b98628e580cd0223abdb71eb4cc22e2d2f63f90a43879a3ad79e7fca0cdfc80528bef6203616f6fc7bb5a60621b6b45362bbff010b71b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}