{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0x2fee7fa4c2d2ac0235e7f7c3f6bf0b31ba2e5d6b06281c72b1790af84f9d4274",
    "signature": "0x3e508d2db472e4bffdd78f380bcaf785917165513905b49c0d40df23202870b83d42bc78c485a070d2a174ab0b7a2ee13752312d32d256262957b9d89adfb51c1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}