{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61472",
    "entityType": "User",
    "nonce": "0xf0e3472df9825e7ee9137a2c75c69150c21aed75c23ffab809ad4856876185a3",
    "signature": "0xa921b6942cff66e3caa6cf1f1d0cb80b2067c5ab72db05763cd3a6605344c151652461cca448754861e69ed334c213ff0d3fb523160a0d060cb024cb54d82fb51b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}