{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217588917",
    "entityType": "User",
    "nonce": "0x765db439aca68c5feedce66a51945db213db045f8fe735e0147be0535fe8095f",
    "signature": "0xb5b15f8e92a1abad3ac353741724a0ae40d346e6efab4e9658efb2284dfd47586c0a3a1aa1ec013aafd771b993b2c1497d182df8f37683ad5143a50ae55c769f1b",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}