{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140",
    "entityType": "User",
    "nonce": "0xd462e95ea8b50075554725c640d82077d841e15667e3848575a9b01bc9557353",
    "signature": "0x8ca3d6783bea74b42da1640687ee000fe1b0e3fe4a84ace9b24bc31ab47fb4fa41af24fc1e3bcd1ca25b0bdb54444cd4ec7b748b5b66fca909bd1aaf27e57b141b",
    "signer": "0x40469422cA113B293A8FB338a51Ae16Cd7a469ce",
    "userId": "546327533"
  }
}