{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147777",
    "entityType": "User",
    "nonce": "0xd568e92bd835be66bc1147c904392391c29490475d64fccdda363275ae72d34f",
    "signature": "0x7c12e107d41b3f939039f8e2d356ae8e754a119d08899e01edbce8edf3ea32d250228f7f10fbf2cc6e19d88e6aaebc869532679ced74582e587677411522cf8e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}