{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "272126",
    "entityType": "User",
    "nonce": "0x4da70c4af28922594da1fdcc82aa4c9fd559c6d8fdb0e1925414e93936812f9f",
    "signature": "0xd0345d80e44f09afad46df886dccd7a703850f1a61555e706c213fce3d13e02601f4b6eafe16403e471bc7fda364eb82786c897e9274774db9d87cdb44af1b881c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}