{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77916",
    "entityType": "User",
    "nonce": "0x90855784c5091175a5b3251447c673370d3c569b7a95071d0d25d611c69507e3",
    "signature": "0x8d4e8935dab91c62cc587455040bc7cb0dfcf707eec3c61d1e7d4d24ae9327da33fb8290981c7b491a988aa1543dc93959304edac25d913d10427afc06ad65091c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}