{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65587",
    "entityType": "User",
    "nonce": "0x2526199f3f127d4f33a786a44155ffe5961d81a322b9937960d644234149b9e3",
    "signature": "0x25bba0f70266e611cb46a03c33e423e66f7ed3eaee67d9b4a612fe396962af3b4c3f0f3155d076345ae6e8812461779818c6fc2d29e941286ddd29f46828e38d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}