{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849312402",
    "entityType": "User",
    "nonce": "0xec4bf0fa77c88a0aa963bbcfed8bf85a4aed619d15a004ecc25de2321d788921",
    "signature": "0xa54c050eabc47ed975d15ff6035c88e2966529f180c86f4568daa3433ee9b7e44a82138d5f95b857272ecfd68261357574629fcbffbbea4e1eb26292298925a41b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}