{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158777",
    "entityType": "User",
    "nonce": "0xfb6f5a7eae771cb37fe5b9b5f8263f22f13e52ceac1c8db801f2ed7d81907bcc",
    "signature": "0xb904f8214d5e8413ced55024eab1a77d29d77fd70f96e43af38b0dcc59f0ac8f3d333a9b54ec319c64e588889c64e365d20214ea73023cfba165f79f81e813b31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}