{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1412914",
    "entityType": "User",
    "nonce": "0xb156b582461f03c58820c150c6e6efea992f9ddbe3db75d14e0798a824bb9122",
    "signature": "0x567320c149ed66c2103ea75fbf5b8c11c79ec8d86b45099047c15c25370a0e7a7717cbbc580a6af74597a4b2395985540e6437473e6995e687b33200f6b685401c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}