{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395286",
    "entityType": "User",
    "nonce": "0xe3a98b6e3c83d9b934f935b36b854ed939a353b5e182be6cfd61949f8e43be95",
    "signature": "0x35282b4e24c025ac339060a0bb1e0f6a8639f55e050c998f09d745bc91ce2c5829ee648db6e99144de761526aae6d0b4fef944c4d4672ab415efbe871f329ad01b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}