{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131891",
    "entityType": "User",
    "nonce": "0xce3e527cd5cbd1545d035eed0a577698b15d2ec7109248c3791dee773aeda1c7",
    "signature": "0xe54ab835bfd842272799447c126893b93cca7fd0a1c972436d88d9a2b712e2c1525320d1710e3de2da20e43f1a8d23c654398c00519dcdd70c4b9c025862842e1c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}