{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xa15d260887f2267731c8b8be630cca2e40aa4e01db24f3d59f1be27158221cb4",
    "signature": "0xcc6570d5cf3867e1ea7824883f320cc079936bf31a933d81423db21dd6552d274387e124dd3cbc41d2981bcf9821dac927573cd163a99f175ab144e3a2b867e91c",
    "signer": "0x7b52e6AA15Db4Fc3A84AFF2b12e5B8B128eA8610",
    "userId": "808512351"
  }
}