{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18985",
    "entityType": "User",
    "nonce": "0xb298d9b92bc1f675c782a4b3e6819464072231e1bc8387266858c341f608f234",
    "signature": "0x3cfbe1cb1b5dd38b4a29bc64347ef17126148b3bdf3be5df41c8379516eb969f27183c2931a7f8bfe026d0ea2473e70aec4972a3e67459d3457480b5400af8a01b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}