{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x1d80532ff8a8c8ac479a55def6fe69a798cd18e792218a9781108e4f29e3cc78",
    "signature": "0x0ca0cba2514e1e9208d47f9ec6e502fcc78062ba4e1e2032a1120148d5a0fe2618492b3fecdc3ea68ea08de5bf69f22bec8231ed92777a98fcbcd900300a45891c",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}