{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "479263",
    "entityType": "User",
    "nonce": "0x89e8c1de9497ea5d49182f5a1ea79df6340277c41551ec53a5b39673b8c32221",
    "signature": "0x5b09da31a2e903923bab16de69852b216b802199b695e565f2f75229ecd3a3d32aac56217119fd912eb761a7f2492ffefbc6c0f6737f08c4a122847b1ccdcf281b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}