{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x688f26ff29bed9fbdd49f7bd506f77d6ccb9d32d40deea0ea643c24a888a0f4c",
    "signature": "0x14ec99a4d01a82de251a9869b2a048ccfd14e0e639923ce3eff8bc51b747434658dbc21937467a41069b5ced490d5aeb82f8efbe96c26d31ad2b96c4b3e4e5511c",
    "signer": "0x9E576B822F4873B0aEc2E4D46715EeB5fB00936f",
    "userId": "941343958"
  }
}