{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636",
    "entityType": "User",
    "nonce": "0xb929a1262ac60a97b3a0e6ff5a8c83cd611fc7afad4b00419bb93510d19a735c",
    "signature": "0x171317a9e7be984dc875f85bff4cdffec879f9fb34a493321d876557f06459001a9b0ecfeb29219274fec2ecd9b365445801673515725fa0a0c4643b24d7e1e71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}