{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0x62ecb51e9bde5d9fd76defbdc61de51d0e67d0f2a8261bab69f3ee587eafecdb",
    "signature": "0x7d9869928d2fecf89ca05a8d2d96aafca8fcb9a294152a3cb8c8516f66eb78c947148b83662c50a5fcff01ea10c3c126f6602c25150a1daae68147e730f2c6b71b",
    "signer": "0xa9fe1c9E5623FA85000577B1dC63d64D5b81Dd57",
    "userId": "605573660"
  }
}