{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1855818",
    "entityType": "User",
    "nonce": "0x932d844a1211de7ab9cb8134e454615f03dd947ddfe627008d403f0d8d6de4f5",
    "signature": "0x0268110ae9d76b3dfe8f4d0b2a8c367da029889c5781a5c0c66c9b61a0d6af1d2bee0e1fd586726f4df21e75fc5df7882d5bdddc5d7ad8561cded57f14296b3c1c",
    "signer": "0x7094144C776594790B5E922D084562dB60549BD8",
    "userId": "602217700"
  }
}