{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0xe5d44430cc81da555073f154a398bc8319e17e73aa0856b80e57556d1c21c32b",
    "signature": "0xaceaeae12e07e94dedf23a8b27d136d61ccf2d4f038a34f1ac478442c63e5db5359b193a6fbf033e02f1a352175397abc83f5820ba556f447e8a6fe44bc3bcb71b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}