{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "209405413",
    "entityType": "User",
    "nonce": "0x8c22a9c35cdbf448d75e11cdfb6cb54fe7eb8cbe9e02ecf511b99d606b0b790f",
    "signature": "0xc20a924ebd6ccfd4ca54574db86ce9c606e0e7aa824823d10c2fe9528e91766f6b79eb019597b272cdd9593dfcd0abcabb95ee1de243a0892caf5bbcc7cf4f231b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}