{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5194",
    "entityType": "User",
    "nonce": "0x3cae886776efae2125e7708259586d28d985615f445bfed02b40bc4833054f9c",
    "signature": "0xd3a1a01ac7da9b010f3a21d6ace6103c056dd0dd982dce72dc0438b944920eb5005bf5d1669f15cf3e0211a24dc022f1744f4c1b85bbd1b766578da9040a95701c",
    "signer": "0xF2c19977A72e7f63bBbD9063748E52c002b22f6b",
    "userId": "957488166"
  }
}