{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x92758bfc89b1e98147cd466b84948c49b8c59804e20a2a1a2ede4ea0e852a7d6",
    "signature": "0x620c8f9368c612ff9dda25f4cb43d516471d7fb117bda017988c0714ab11e6c220a0b6ad66606556266288788bb9e70311c58850488343b0da6085968aa0ad731c",
    "signer": "0xC7DD09A8C5a5Cc574Eb2C9D23F4da52C5fE3f520",
    "userId": "425101288"
  }
}