{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "935495447",
    "entityType": "User",
    "nonce": "0x0cd2d9dc0d8cc75f3509cf85dde987c986a217ecc6908e37bc7d746e1a81bd3e",
    "signature": "0xf78385c60d91295a687249fdb6ef65882109a7d26fb6f6db3ac2df2bac1181a804475000f8a512a282ea030c655e6d1763db06cce03c971808e13277758863f21b",
    "signer": "0x38b7AB9474A04dF6f214127Fdf6c1ADaADF5926E",
    "userId": "571039733"
  }
}