{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x23310ffc4cdec33689b4c4faaf3aaff05a5d59d045b6bbc865638e85e9f65f97",
    "signature": "0x78892f84b7727b2d46d029139849f4cf578faf89a88e59831cb9fc12797118295356282397b121db74f9dd929d369f76a8717e484e063396e73822163be7cc5b1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}