{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240125",
    "entityType": "User",
    "nonce": "0x91c81d2030f156f6d9a0521f972999020efb11c52f94addb73c62486991ec4be",
    "signature": "0x70b872b1cd0e274ec043d4b207e366b9b81748c50427b23593742b98a469a3fa4eb944fe2be6587eb24ad1f914900052875b947657379ec4db95b463f8900ff01c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}