{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0xc7b1e7118323e01a0b8e22d22f3e5831638b46d68ee0e44981bdd6a9ee299a4b",
    "signature": "0x1e970c61b6f7ac690ec97811826c79a65ddc89aff02e7d33f337bc721174bf9e104963f48217dc6d69817c1de065243aca5614e3fabc067e8920dc6cd6e957851b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}