{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0xadbc2c2e3267f2ccde369aa544bf58c291a713f773a7f91ca04bf53c32e137ee",
    "signature": "0x6d1d728df4b0df58eb6e95524d888e0babe03621f6cc403faa85ac0e82edc6bb723119feae5a1566892ed5a78738968caef1afb15d43779d8dad2896bb23e4321b",
    "signer": "0x20a821B898F6Cb6BB0E5FB2460eD4225B40Bd68D",
    "userId": "198400104"
  }
}