{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1471652",
    "entityType": "User",
    "nonce": "0x2c000f4e905225893e6344e24ecc81fb2bc504b53a3ef5fbcd90106d3cabfff9",
    "signature": "0x7ff923bcc68422596e6838bb35ac2ef3249de4a8372d26003999121a2b48559146c2157c25ea2239af5271e6dab47ccc62849a9a18b35744deaaeff4cba080501c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}