{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1946151",
    "entityType": "User",
    "nonce": "0x0bcda8c30bd58d353c281515eacb4f5336dd8f13747aca44f1c73fef4704e2c3",
    "signature": "0x2671283d2d8c25c4dd603001de49d2e1c9f84304be274b91afe2fb0207129a3e417df2f44e56d17dce96004571f1db1ccfce7decf7cdc645aacee16b79ebb72d1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}